Home / 770,381.40-1,154,625.60-432,712.24

Finding the Fourth Proportional to 770,381.40, 1,154,625.60 and 432,712.24

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Solution

The fourth proportional to 770,381.40, 1,154,625.60 and 432,712.24 is: 648,536.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,381.40 : 1,154,625.60 = 432,712.24 : x
  2. Step 2: Convert to fraction form
    770,381.40/1,154,625.60 = 432,712.24/x
  3. Step 3: Cross multiply
    770,381.40x = 1,154,625.60 × 432,712.24
  4. Step 4: Simplify right side
    770,381.40x = 499,620,629,737.34
  5. Step 5: Solve for x
    x = 499,620,629,737.34/770,381.40
  6. Step 6: Final answer
    x = 648,536.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.